| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 1013945 |
2024-07-04T08:31:26 Z |
vjudge1 |
Lamps (JOI19_lamps) |
C++17 |
|
48 ms |
26028 KB |
#pragma GCC optimize("Ofast,unroll-loops")
#pragma GCC target("avx,avx2,bmi,bmi2,fma,popcnt")
#include<bits/stdc++.h>
using namespace std;
int n, dp[1000005][3][2];
string a, b;
inline void upd(int& a, int b) {a=min(a, b);}
void solve() {
cin >> n >> a >> b;
for (char &i:a) i-='0';
for (char &i:b) i-='0';
a = ' ' + a, b = ' ' + b;
memset(dp, 0x3f, sizeof(dp));
int inf = dp[0][2][0]; dp[0][2][0]=0;
for (int i = 0; i < n; i++)
for (int j = 0; j < 3; j++)
for (int k = 0; k < 2; k++)
for (int j1 = 0; j1 < 3; j1++)
for (int k1 = 0; k1 < 2; k1++)
upd(dp[i+1][j1][k1], k1^(j1<2?j1:a[i+1])==b[i+1] ? dp[i][j][k] + (j1<2 && j!=j1) + (k1==1 && k!=k1) : inf);
int res=inf;
for (int i=0; i<3; i++)
for (int j=0; j<2; j++)
upd(res, dp[n][i][j]);
cout << res;
}
signed main() {
ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
solve();
}
Compilation message
lamp.cpp: In function 'void solve()':
lamp.cpp:21:65: warning: suggest parentheses around comparison in operand of '^' [-Wparentheses]
21 | upd(dp[i+1][j1][k1], k1^(j1<2?j1:a[i+1])==b[i+1] ? dp[i][j][k] + (j1<2 && j!=j1) + (k1==1 && k!=k1) : inf);
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
9 ms |
23896 KB |
Output is correct |
| 2 |
Correct |
9 ms |
23900 KB |
Output is correct |
| 3 |
Correct |
8 ms |
23900 KB |
Output is correct |
| 4 |
Correct |
9 ms |
23744 KB |
Output is correct |
| 5 |
Correct |
8 ms |
23896 KB |
Output is correct |
| 6 |
Correct |
8 ms |
23900 KB |
Output is correct |
| 7 |
Correct |
9 ms |
23896 KB |
Output is correct |
| 8 |
Correct |
10 ms |
23900 KB |
Output is correct |
| 9 |
Correct |
8 ms |
23908 KB |
Output is correct |
| 10 |
Correct |
9 ms |
23900 KB |
Output is correct |
| 11 |
Correct |
8 ms |
23872 KB |
Output is correct |
| 12 |
Correct |
8 ms |
23872 KB |
Output is correct |
| 13 |
Correct |
8 ms |
23720 KB |
Output is correct |
| 14 |
Correct |
8 ms |
23900 KB |
Output is correct |
| 15 |
Correct |
8 ms |
23900 KB |
Output is correct |
| 16 |
Correct |
8 ms |
23900 KB |
Output is correct |
| 17 |
Correct |
9 ms |
23900 KB |
Output is correct |
| 18 |
Correct |
9 ms |
23900 KB |
Output is correct |
| 19 |
Correct |
8 ms |
23896 KB |
Output is correct |
| 20 |
Correct |
8 ms |
23900 KB |
Output is correct |
| 21 |
Correct |
8 ms |
23900 KB |
Output is correct |
| 22 |
Correct |
8 ms |
23840 KB |
Output is correct |
| 23 |
Correct |
8 ms |
23900 KB |
Output is correct |
| 24 |
Correct |
8 ms |
23900 KB |
Output is correct |
| 25 |
Correct |
8 ms |
23900 KB |
Output is correct |
| 26 |
Correct |
8 ms |
23808 KB |
Output is correct |
| 27 |
Correct |
8 ms |
23788 KB |
Output is correct |
| 28 |
Correct |
8 ms |
23900 KB |
Output is correct |
| 29 |
Correct |
8 ms |
23900 KB |
Output is correct |
| 30 |
Correct |
10 ms |
23896 KB |
Output is correct |
| 31 |
Correct |
8 ms |
23900 KB |
Output is correct |
| 32 |
Correct |
8 ms |
23896 KB |
Output is correct |
| 33 |
Correct |
9 ms |
23896 KB |
Output is correct |
| 34 |
Correct |
9 ms |
23900 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
9 ms |
23896 KB |
Output is correct |
| 2 |
Correct |
9 ms |
23900 KB |
Output is correct |
| 3 |
Correct |
8 ms |
23900 KB |
Output is correct |
| 4 |
Correct |
9 ms |
23744 KB |
Output is correct |
| 5 |
Correct |
8 ms |
23896 KB |
Output is correct |
| 6 |
Correct |
8 ms |
23900 KB |
Output is correct |
| 7 |
Correct |
9 ms |
23896 KB |
Output is correct |
| 8 |
Correct |
10 ms |
23900 KB |
Output is correct |
| 9 |
Correct |
8 ms |
23908 KB |
Output is correct |
| 10 |
Correct |
9 ms |
23900 KB |
Output is correct |
| 11 |
Correct |
8 ms |
23872 KB |
Output is correct |
| 12 |
Correct |
8 ms |
23872 KB |
Output is correct |
| 13 |
Correct |
8 ms |
23720 KB |
Output is correct |
| 14 |
Correct |
8 ms |
23900 KB |
Output is correct |
| 15 |
Correct |
8 ms |
23900 KB |
Output is correct |
| 16 |
Correct |
8 ms |
23900 KB |
Output is correct |
| 17 |
Correct |
9 ms |
23900 KB |
Output is correct |
| 18 |
Correct |
9 ms |
23900 KB |
Output is correct |
| 19 |
Correct |
8 ms |
23896 KB |
Output is correct |
| 20 |
Correct |
8 ms |
23900 KB |
Output is correct |
| 21 |
Correct |
8 ms |
23900 KB |
Output is correct |
| 22 |
Correct |
8 ms |
23840 KB |
Output is correct |
| 23 |
Correct |
8 ms |
23900 KB |
Output is correct |
| 24 |
Correct |
8 ms |
23900 KB |
Output is correct |
| 25 |
Correct |
8 ms |
23900 KB |
Output is correct |
| 26 |
Correct |
8 ms |
23808 KB |
Output is correct |
| 27 |
Correct |
8 ms |
23788 KB |
Output is correct |
| 28 |
Correct |
8 ms |
23900 KB |
Output is correct |
| 29 |
Correct |
8 ms |
23900 KB |
Output is correct |
| 30 |
Correct |
10 ms |
23896 KB |
Output is correct |
| 31 |
Correct |
8 ms |
23900 KB |
Output is correct |
| 32 |
Correct |
8 ms |
23896 KB |
Output is correct |
| 33 |
Correct |
9 ms |
23896 KB |
Output is correct |
| 34 |
Correct |
9 ms |
23900 KB |
Output is correct |
| 35 |
Correct |
10 ms |
23900 KB |
Output is correct |
| 36 |
Correct |
10 ms |
23748 KB |
Output is correct |
| 37 |
Correct |
9 ms |
23868 KB |
Output is correct |
| 38 |
Correct |
8 ms |
23900 KB |
Output is correct |
| 39 |
Correct |
8 ms |
23900 KB |
Output is correct |
| 40 |
Correct |
8 ms |
23764 KB |
Output is correct |
| 41 |
Correct |
9 ms |
23896 KB |
Output is correct |
| 42 |
Correct |
8 ms |
23900 KB |
Output is correct |
| 43 |
Correct |
9 ms |
23896 KB |
Output is correct |
| 44 |
Correct |
9 ms |
23768 KB |
Output is correct |
| 45 |
Correct |
9 ms |
23824 KB |
Output is correct |
| 46 |
Correct |
9 ms |
23900 KB |
Output is correct |
| 47 |
Correct |
12 ms |
23900 KB |
Output is correct |
| 48 |
Correct |
9 ms |
23836 KB |
Output is correct |
| 49 |
Correct |
8 ms |
23896 KB |
Output is correct |
| 50 |
Correct |
9 ms |
23900 KB |
Output is correct |
| 51 |
Correct |
11 ms |
23904 KB |
Output is correct |
| 52 |
Correct |
9 ms |
23900 KB |
Output is correct |
| 53 |
Correct |
9 ms |
23852 KB |
Output is correct |
| 54 |
Correct |
9 ms |
23900 KB |
Output is correct |
| 55 |
Correct |
9 ms |
23900 KB |
Output is correct |
| 56 |
Correct |
8 ms |
23952 KB |
Output is correct |
| 57 |
Correct |
10 ms |
23900 KB |
Output is correct |
| 58 |
Correct |
10 ms |
23724 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
9 ms |
23900 KB |
Output is correct |
| 2 |
Correct |
8 ms |
23760 KB |
Output is correct |
| 3 |
Correct |
8 ms |
23900 KB |
Output is correct |
| 4 |
Correct |
9 ms |
23912 KB |
Output is correct |
| 5 |
Correct |
9 ms |
23744 KB |
Output is correct |
| 6 |
Correct |
9 ms |
23900 KB |
Output is correct |
| 7 |
Correct |
33 ms |
25944 KB |
Output is correct |
| 8 |
Correct |
33 ms |
25860 KB |
Output is correct |
| 9 |
Correct |
33 ms |
25860 KB |
Output is correct |
| 10 |
Correct |
33 ms |
25860 KB |
Output is correct |
| 11 |
Correct |
34 ms |
25864 KB |
Output is correct |
| 12 |
Correct |
32 ms |
25864 KB |
Output is correct |
| 13 |
Correct |
33 ms |
25856 KB |
Output is correct |
| 14 |
Correct |
33 ms |
25864 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
9 ms |
23896 KB |
Output is correct |
| 2 |
Correct |
9 ms |
23900 KB |
Output is correct |
| 3 |
Correct |
8 ms |
23900 KB |
Output is correct |
| 4 |
Correct |
9 ms |
23744 KB |
Output is correct |
| 5 |
Correct |
8 ms |
23896 KB |
Output is correct |
| 6 |
Correct |
8 ms |
23900 KB |
Output is correct |
| 7 |
Correct |
9 ms |
23896 KB |
Output is correct |
| 8 |
Correct |
10 ms |
23900 KB |
Output is correct |
| 9 |
Correct |
8 ms |
23908 KB |
Output is correct |
| 10 |
Correct |
9 ms |
23900 KB |
Output is correct |
| 11 |
Correct |
8 ms |
23872 KB |
Output is correct |
| 12 |
Correct |
8 ms |
23872 KB |
Output is correct |
| 13 |
Correct |
8 ms |
23720 KB |
Output is correct |
| 14 |
Correct |
8 ms |
23900 KB |
Output is correct |
| 15 |
Correct |
8 ms |
23900 KB |
Output is correct |
| 16 |
Correct |
8 ms |
23900 KB |
Output is correct |
| 17 |
Correct |
9 ms |
23900 KB |
Output is correct |
| 18 |
Correct |
9 ms |
23900 KB |
Output is correct |
| 19 |
Correct |
8 ms |
23896 KB |
Output is correct |
| 20 |
Correct |
8 ms |
23900 KB |
Output is correct |
| 21 |
Correct |
8 ms |
23900 KB |
Output is correct |
| 22 |
Correct |
8 ms |
23840 KB |
Output is correct |
| 23 |
Correct |
8 ms |
23900 KB |
Output is correct |
| 24 |
Correct |
8 ms |
23900 KB |
Output is correct |
| 25 |
Correct |
8 ms |
23900 KB |
Output is correct |
| 26 |
Correct |
8 ms |
23808 KB |
Output is correct |
| 27 |
Correct |
8 ms |
23788 KB |
Output is correct |
| 28 |
Correct |
8 ms |
23900 KB |
Output is correct |
| 29 |
Correct |
8 ms |
23900 KB |
Output is correct |
| 30 |
Correct |
10 ms |
23896 KB |
Output is correct |
| 31 |
Correct |
8 ms |
23900 KB |
Output is correct |
| 32 |
Correct |
8 ms |
23896 KB |
Output is correct |
| 33 |
Correct |
9 ms |
23896 KB |
Output is correct |
| 34 |
Correct |
9 ms |
23900 KB |
Output is correct |
| 35 |
Correct |
10 ms |
23900 KB |
Output is correct |
| 36 |
Correct |
10 ms |
23748 KB |
Output is correct |
| 37 |
Correct |
9 ms |
23868 KB |
Output is correct |
| 38 |
Correct |
8 ms |
23900 KB |
Output is correct |
| 39 |
Correct |
8 ms |
23900 KB |
Output is correct |
| 40 |
Correct |
8 ms |
23764 KB |
Output is correct |
| 41 |
Correct |
9 ms |
23896 KB |
Output is correct |
| 42 |
Correct |
8 ms |
23900 KB |
Output is correct |
| 43 |
Correct |
9 ms |
23896 KB |
Output is correct |
| 44 |
Correct |
9 ms |
23768 KB |
Output is correct |
| 45 |
Correct |
9 ms |
23824 KB |
Output is correct |
| 46 |
Correct |
9 ms |
23900 KB |
Output is correct |
| 47 |
Correct |
12 ms |
23900 KB |
Output is correct |
| 48 |
Correct |
9 ms |
23836 KB |
Output is correct |
| 49 |
Correct |
8 ms |
23896 KB |
Output is correct |
| 50 |
Correct |
9 ms |
23900 KB |
Output is correct |
| 51 |
Correct |
11 ms |
23904 KB |
Output is correct |
| 52 |
Correct |
9 ms |
23900 KB |
Output is correct |
| 53 |
Correct |
9 ms |
23852 KB |
Output is correct |
| 54 |
Correct |
9 ms |
23900 KB |
Output is correct |
| 55 |
Correct |
9 ms |
23900 KB |
Output is correct |
| 56 |
Correct |
8 ms |
23952 KB |
Output is correct |
| 57 |
Correct |
10 ms |
23900 KB |
Output is correct |
| 58 |
Correct |
10 ms |
23724 KB |
Output is correct |
| 59 |
Correct |
9 ms |
23900 KB |
Output is correct |
| 60 |
Correct |
8 ms |
23760 KB |
Output is correct |
| 61 |
Correct |
8 ms |
23900 KB |
Output is correct |
| 62 |
Correct |
9 ms |
23912 KB |
Output is correct |
| 63 |
Correct |
9 ms |
23744 KB |
Output is correct |
| 64 |
Correct |
9 ms |
23900 KB |
Output is correct |
| 65 |
Correct |
33 ms |
25944 KB |
Output is correct |
| 66 |
Correct |
33 ms |
25860 KB |
Output is correct |
| 67 |
Correct |
33 ms |
25860 KB |
Output is correct |
| 68 |
Correct |
33 ms |
25860 KB |
Output is correct |
| 69 |
Correct |
34 ms |
25864 KB |
Output is correct |
| 70 |
Correct |
32 ms |
25864 KB |
Output is correct |
| 71 |
Correct |
33 ms |
25856 KB |
Output is correct |
| 72 |
Correct |
33 ms |
25864 KB |
Output is correct |
| 73 |
Correct |
34 ms |
25860 KB |
Output is correct |
| 74 |
Correct |
32 ms |
25860 KB |
Output is correct |
| 75 |
Correct |
31 ms |
25860 KB |
Output is correct |
| 76 |
Correct |
32 ms |
25860 KB |
Output is correct |
| 77 |
Correct |
33 ms |
25856 KB |
Output is correct |
| 78 |
Correct |
32 ms |
25860 KB |
Output is correct |
| 79 |
Correct |
33 ms |
25860 KB |
Output is correct |
| 80 |
Correct |
41 ms |
25904 KB |
Output is correct |
| 81 |
Correct |
32 ms |
25872 KB |
Output is correct |
| 82 |
Correct |
32 ms |
25864 KB |
Output is correct |
| 83 |
Correct |
36 ms |
25860 KB |
Output is correct |
| 84 |
Correct |
34 ms |
25856 KB |
Output is correct |
| 85 |
Correct |
33 ms |
25856 KB |
Output is correct |
| 86 |
Correct |
38 ms |
25860 KB |
Output is correct |
| 87 |
Correct |
36 ms |
25856 KB |
Output is correct |
| 88 |
Correct |
37 ms |
25860 KB |
Output is correct |
| 89 |
Correct |
37 ms |
26028 KB |
Output is correct |
| 90 |
Correct |
37 ms |
25860 KB |
Output is correct |
| 91 |
Correct |
39 ms |
25860 KB |
Output is correct |
| 92 |
Correct |
40 ms |
25940 KB |
Output is correct |
| 93 |
Correct |
39 ms |
25856 KB |
Output is correct |
| 94 |
Correct |
40 ms |
26028 KB |
Output is correct |
| 95 |
Correct |
44 ms |
25860 KB |
Output is correct |
| 96 |
Correct |
39 ms |
25860 KB |
Output is correct |
| 97 |
Correct |
39 ms |
25860 KB |
Output is correct |
| 98 |
Correct |
40 ms |
25860 KB |
Output is correct |
| 99 |
Correct |
40 ms |
25860 KB |
Output is correct |
| 100 |
Correct |
39 ms |
25860 KB |
Output is correct |
| 101 |
Correct |
40 ms |
25864 KB |
Output is correct |
| 102 |
Correct |
48 ms |
25860 KB |
Output is correct |
